diff --git a/fs/Kconfig b/fs/Kconfig
index b8fcb41..4d2f921 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -67,6 +67,12 @@
 config EXPORTFS
 	tristate
 
+config EXPORTFS_BLOCK_OPS
+	bool "Enable filesystem export operations for block IO"
+	help
+	  This option enables the export operations for a filesystem to support
+	  external block IO.
+
 config FILE_LOCKING
 	bool "Enable POSIX file locking API" if EXPERT
 	default y